/*全局css*/
html{
    box-sizing: border-box;
}
* {
    box-sizing: inherit;
}
.clear_flow:before, .clear_flow:after {
    display: table;
    content: "";
    clear: both;
}
body{
    width: 100%;
    overflow-x: hidden;
}
/*公用css*/
footer{
    width: 100%;
    height: 64px;
    font-size: 18px;
    color: #333;
    line-height: 64px;
    background-color: #eee;
    text-align: center;
}
/*顶部导航*/
header{
    width: 100%;
    height: 72px;
    position: relative;
    box-shadow: 0px 2px 8px 0px rgba(155, 155, 155, 0.29);

}
header .nav{
    line-height: 72px;
    background: url("../images/logo.png")no-repeat left center;
    background-size: 158px 42px;
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 18px;
    color: #333;
}
header .nav li{
    text-align: center;
    display: inline-block;
}
.nav a{
    display: block;
    width: 168px;
}
header .nav a:hover{
    color: #fff;
    background-color: #33c072;
}
.subnav{
    display: none;
    overflow: hidden;
    padding-top: 16px;
    width: 100%;
    top: 72px;
    position: absolute;
    background-color: rgba(51, 192, 114, 0.7);
}
.subnav-wrap{
    text-align: left;
    width: 1200px;
    margin: 0 auto;
    height: 96px;
    position: relative;
}
.subnav ul{
    display: inline-block;
}
.subnav ul li{
    margin-bottom: 16px;
}
.subnav a{
    position: relative;
    color: #fff;
    font-size: 14px;
}
.subnav a:hover:before{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: -16px;
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ffcc33;
}
.subnav ul{
    width: 168px;
}
.campus-item{
    position: absolute;
    left: 392px;
}
.society-item{
    position: absolute;
    left: 565px;
}
.internship-item{
    position: absolute;
    left: 730px;
}
.knowmore-item{
    position: absolute;
    left: 915px;
}
/*banner图*/
.single-banner img{
    width: 100%;
    height: auto;
}
/*中部导航*/
.navbar{
    width: 100%;
    background-color: #f7f8f8;
}
.navbar-wrap{
    width: 1200px;
    margin: 0 auto;
}
.navbar-wrap li{
    display: inline-block;
}
.navbar-wrap span{
    margin-right: 114px;
    font-size: 16px;
    color: #333;
    line-height: 46px;
    height: 48px;
    display: block;
    cursor: pointer;
}
.navbar-wrap span:hover{
    border-bottom: 2px solid #ffcc33;
}
.navbar-wrap li span:hover{
    color: #33c072;
}
.tab-chosen span{
    border-bottom: 2px solid #ffcc33;
    color: #33c072!important;
}
/*main*/
.main{
    width: 1200px;
    margin: 0 auto 36px auto;
}
h3{
    position: relative;
    font-size: 22px;
    font-weight: bold;
    color: #33c072;
    margin-top: 50px;
    text-align: center;
    margin-bottom: 36px;
}
h3::before, h3::after{
    content: '';
    display: inline-block;
    line-height: 22px;
    width: 150px;
    height: 2px;
    margin: 0px 16px 8px 16px;
    background-color: #33c072;
}
.areaGray{
    width: 100%;
    height: auto;
    background-color: #f7f8f8;
}
.areaWhite{
    width: 100%;
    height: auto;
    background-color: #fff;
}
.tab-item{
    display: none;
}
.main-container{
    width: 100%;
    height: auto;
    position: relative;
}